Conveyance of goods through furnaces and the like



April 9, 1935. A. sMALLwoOD Er AL Filed. Feb. 19, 1934 2 Sheets-Sheet l April 9, 1935. A. sMALLwooD ET Al. 1,997,318

CONVEYANCE OF GOODS THROUGH FURNACES AND THE LIKE Filed Feb. 19, 1954 2 Sheets-Sheet 2 a a I Patented Apr.9,1935Y Y .t Y' 1,997,318 t UNITE-D* sTATEsPATENT.

FURNAoEsAnn THE LiKE Y f Alfred' smallwoeajanaiohn Fallon,

Birmingham, England Application February 19, 1934, serial'Ne. 712,008 z InGreat Britain February 24, 1933 "'iclaims. .(01.198-2195` Y This invention has reference to improvements bars a, 031 these movements being transmitted in connection with the conveyance of goods from the gear-box b by means of a connecting,- through furnaces Yand the like, more particularly rod lc Lhaving linkand lever couplings .l l1 to a furnaces oi the type having interior carrier beams lever arm m on one of thefrccker arms Th'e or bars for conveyance of the goods under treatoscillatory movements of the quadrant or sector Y 5 ment. f y y arms f j?, are imparted from ha `point n Iin the According to the primary feature of the inbeam or bar reciprocating gear by means of links vention, in a'conveyor mechanismr for a furnace ,andY leversioA o1 jozand an opposite pair of zconor the like'of the 'type referred to, each moving ArleCtlIlg-rOClS P 111 .Coupled to the respective lever 1o carrier beam or bar is freely supported upon armsfh h1 0f the quadrant 0r SeCtOr arms- The 10 quadrant or sector arms mounted to oscillate bearings between each beam 0r bar and its reabout bearings located externally of the heating spective quadrant or sector arms areof a ribzone. y and-groovev character as illustrated, and the The invention further includes an arrangequadrant or Sector arms f f1 areenclosed either Y ment in which said oscillatory quadrant or sector in pairs or otherwise within a longitudinally .15 t

arms are mounted in balanced pairs at'opposite spaced plurality of fixed casings` r r1 dependends of rocker arms adapted to impart 'alternate ently mounted beneath thefurnae SettHgJheSe rising and falling movements to carrier beams casngs being appropriately Slotted fOr aC- or bars arranged side by side in alternated COmIrlOClatOrl and'mOVemeIlt 0f the Shafts y $71 Y series. carried by the rockerarms i. If desired the 201- In order that the invention maybe clearly beams 0r bars fr al may be Water-0001ed, fOr i11- understood and readily carried into practice, ref- StaIlCe by mea/11S 0f internally located Watererence may be had to the appended explanatory Crculated COlS 0r pipes q- Y drawings, in whichz- Y It will be seen that whilst each quadrant or y Figure 1 is a partly sectional side elevation of sector arm is free'to move vertically with its bear- 25 the relevant parts of a conveyor furnace em Ving shaft, it will oscillate with the forward'and bodying alternatedV series of carrier beams or backward movements of its respective beam or bars and having the present improvements apbar, in synchronous relation to these movements 1 plied, f ofV the. beam or bar, the latter being in staticfre- Figure 2 is a sectional end elevation of the conlationshp to the quadrant or sector arm through- `30 veyor furnace, the section being taken on a plane out the forwardandvbackward movements, there-'-V indicated by the line II-II in Figure 1. l by eliminatingv friction between the beam or bar In one method of carrying the invention into and the quadrant or sector arm, which is so arl effect, as applied in connection with a conveyor ranged that the vertical thrust of the beam or bar` furnace having a hearth constituted by longiis always over the centre of the bearing. It will 35 tudinal beams or bars'd a1 arranged side by further be seen that in thel particular embodiside in two alternated series and reciprocated ment described thequadrant or sector arm and from a gear-box b by means of connecting-rods rocker arm mechanism provides a complete sysc c1 having linkand lever couplings d d1 d2 and tem of counterbalanced` support for the moving 40 e el e2 to the beams or bars of the respective beams or bars, eliminating the use of roller, ball,l 40 series, each beam or bar a is freely supported or plain bearings in conjunction with intermediupon a longitudinally spaced plurality of rupate supports for the beams or bars. standingV quadrant or sector arms f, and eachV Suitable provision may be made for overcoming-v beam or bar al is similarly supported on quadexpansion, either ofthe moving beams or bars or rant or Sector arms f1. These quadrant or secof the quadrant or sector arms, andit will be ap- 45 tor arms f f1 are mounted for oscillation Vupon preciated that the system of quadrant or sector bearing shafts g g1 having dependent lever arms arm support may be adapted for use in connech h1 respectively, the supporting armsf f1 and tion With other lforms of longitudinally reciproshafts g g1 of adjacent beams or bars being eating beam or bar conveyors, for instance of the mounted in counterbalanced pairs at opposite singlebeam type, orinconnection with conveyors 50 ends of a longitudinally spaced plurality of rocker having moving beamsV or bars disposed .transarms i located on each sidebeneath the furnace versely of the furnace. y f on a corresponding plurality of shafts 7' and What We claimas our invention anddesire to o geared t0 impart alternate rising and falling gecureby Letters Patent is:-

movements to the alternated series of beams or 1. A conveyorlmechanism for a'furnace or the 575 like and which comprises, in combination, interior carrier beams or bars for conveyance of the goods under treatment, mechanism rfor imparting reciprocating movements to said beams or bars, and` quadrant or sector arms upon which said beams l or bars are freely supported, said quadrant or sector'r arms being mounted Vto 'oscillate k about bearings located externally of vthe .heating zone, in accordance with the forward and backward movements of the respective beams or bars.

2. A conveyor mechanism for a furnace or the like and which comprises, in "combination, ine

terior carrier beams or bars for' conveyance of the goods under treatment, mechanism for imparting reciprocating movements to said beams or bars, quadrant or sector arms upon which said beams or bars are freely supported, external bearings supporting said arms, and connecting mechanism whereby Voscillatory movements are imparted to said arms in accordance with the re ciprocatory movements. of the respective beams or bars.V Y v f Y 3. A conveyor mechanism for a furnace or the like and which compriseain combination, interior carrier beams or barsarranged side by side 'in alternated series for conveyance ofY the goods under treatment,1mechanism for imparting reciprocating movements to said beams or bars, rocker 4arms located externally' ofthe heating zone, quadrant or sector arms mounted in balanced pairs at opposite ends of saidy rocker arms so as to provide free supports for alternate beams or bars, and mechanism for rocking said rocker arms so as to impart alternate rising and falling movements to said beams or bars, said quadrant or sector arms Abeing adapted for oscillation in accordance with the forward and backward move- I ments of the respective beams or bars.

or bars, mechanism for rocking said rocker arms so as to-impart alternate rising and falling movements to said beams or bars, and connecting mechanism whereby oscillatory movements are imparted to said quadrant or sector armsk in accordance withv the reciprocatory movements of the respective beams or bars.

ALFRED SMALLWOOD. JOHN FALLON. 

